🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117

Radius: 12.1

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.62 AU - 1.02 AU

Year: 504 Days

Day: 5.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,349,640 km

• M1: 150,495 km (0.064 R)
• M2: 590,313 km (0.116 R)
• M3: 1,044,792 km (0.045 R)
• M4: 1,547,889 km (0.074 R)
• M5: 2,004,911 km (0.069 R)
• M6: 2,543,912 km (0.118 R)
• M7: 3,303,719 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.3

Radius: 10.6

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.18 AU - 1.76 AU

Year: 1209 Days

Day: 13.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,349,640 km

• M1: 131,945 km (0.102 R)
• M2: 738,864 km (0.069 R)
• M3: 1,089,970 km (0.106 R)
• M4: 1,768,247 km (0.119 R)
• M5: 2,163,484 km (0.06 R)
• M6: 2,761,128 km (0.114 R)
• M7: 3,150,082 km (0.042 R)
• M8: 3,543,974 km (0.113 R)
• M9: 4,073,999 km (0.115 R)
• M10: 4,505,589 km (0.109 R)
• M11: 5,720,024 km (0.082 R)
• M12: 6,765,414 km (0.081 R)
• M13: 7,115,324 km (0.099 R)
• M14: 7,503,680 km (0.098 R)
• M15: 9,946,912 km (0.114 R)
• M16: 10,732,600 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.1

Radius: 13

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.25 AU - 1.73 AU

Year: 1234 Days

Day: 13.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 64,349,640 km

• M1: 161,715 km (0.097 R)
• M2: 668,553 km (0.088 R)
• M3: 1,155,344 km (0.054 R)
• M4: 1,643,033 km (0.075 R)
• M5: 2,717,745 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.8

Radius: 14.8

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.33 AU - 2.07 AU

Year: 1503 Days

Day: 13.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,349,640 km

• M1: 184,005 km (0.094 R)
• M2: 698,323 km (0.046 R)
• M3: 1,201,570 km (0.054 R)
• M4: 1,779,467 km (0.1 R)
• M5: 2,503,969 km (0.1 R)
• M6: 3,468,726 km (0.108 R)
• M7: 5,752,337 km (0.08 R)
• M8: 6,254,687 km (0.104 R)
• M9: 7,940,805 km (0.058 R)
• M10: 8,749,979 km (0.088 R)
• M11: 10,888,182 km (0.119 R)
• M12: 11,547,759 km (0.029 R)
• M13: 13,983,960 km (0.098 R)
• M14: 14,544,503 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.7

Radius: 14.4

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.31 AU - 2.61 AU

Year: 2617 Days

Day: 7.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,349,640 km

• M1: 179,218 km (0.108 R)
• M2: 710,590 km (0.119 R)
• M3: 1,164,320 km (0.112 R)
• M4: 2,723,429 km (0.089 R)
• M5: 4,409,547 km (0.119 R)
• M6: 6,462,478 km (0.043 R)
• M7: 7,026,612 km (0.112 R)
• M8: 8,648,851 km (0.063 R)
• M9: 9,764,403 km (0.116 R)
• M10: 12,972,230 km (0.063 R)
• M11: 13,919,035 km (0.095 R)
• M12: 14,670,914 km (0.094 R)
• M13: 15,849,296 km (0.085 R)
• M14: 17,897,590 km (0.114 R)
• M15: 19,128,182 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.1

Radius: 15

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.14 AU - 3.12 AU

Year: 2893 Days

Day: 11.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,349,640 km

• M1: 186,549 km (0.04 R)
• M2: 790,176 km (0.12 R)
• M3: 1,452,895 km (0.05 R)
• M4: 2,022,264 km (0.103 R)
• M5: 2,991,359 km (0.111 R)
• M6: 4,886,166 km (0.093 R)
• M7: 5,653,004 km (0.106 R)
• M8: 6,267,104 km (0.109 R)
• M9: 9,083,882 km (0.092 R)
• M10: 10,210,354 km (0.078 R)
• M11: 11,389,933 km (0.099 R)
• M12: 11,973,365 km (0.11 R)
• M13: 14,781,317 km (0.05 R)
• M14: 15,807,857 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.7

Radius: 13.1

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.68 AU - 4.36 AU

Year: 4479 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,349,640 km

• M1: 163,361 km (0.086 R)
• M2: 651,499 km (0.086 R)
• M3: 1,359,695 km (0.084 R)
• M4: 2,333,876 km (0.101 R)
• M5: 3,226,377 km (0.07 R)
• M6: 3,686,241 km (0.115 R)
• M7: 4,142,365 km (0.105 R)
• M8: 5,450,898 km (0.115 R)
• M9: 5,923,328 km (0.052 R)
• M10: 6,849,638 km (0.076 R)
• M11: 7,981,645 km (0.089 R)
• M12: 8,949,842 km (0.091 R)
• M13: 10,257,477 km (0.062 R)
• M14: 14,161,982 km (0.109 R)
• M15: 14,831,133 km (0.114 R)
• M16: 16,842,177 km (0.101 R)
• M17: 17,784,793 km (0.103 R)
• M18: 18,432,702 km (0.117 R)
• M19: 20,967,338 km (0.096 R)
• M20: 25,071,706 km (0.082 R)
• M21: 30,228,195 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.7

Radius: 8

Gravity: 11.82 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.59 AU - 5.39 AU

Year: 7560 Days

Day: 7.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,349,640 km

• M1: 99,483 km (0.082 R)
• M2: 645,515 km (0.082 R)
• M3: 1,393,953 km (0.106 R)
• M4: 1,843,345 km (0.1 R)
• M5: 2,608,538 km (0.116 R)
• M6: 2,885,593 km (0.088 R)
• M7: 3,182,396 km (0.081 R)
• M8: 3,763,434 km (0.062 R)
• M9: 4,607,914 km (0.104 R)
• M10: 7,036,934 km (0.111 R)
• M11: 7,459,099 km (0.108 R)
• M12: 10,405,878 km (0.06 R)
• M13: 12,884,715 km (0.118 R)
• M14: 18,393,208 km (0.068 R)
• M15: 19,716,850 km (0.109 R)
• M16: 20,867,557 km (0.081 R)
• M17: 35,829,288 km (0.103 R)
• M18: 39,542,607 km (0.046 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.9

Radius: 4.2

Gravity: 41.72 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.08 AU - 7.46 AU

Year: 10649 Days

Day: 22 Hours

Environment

Temp: -237 °C

Axial Tilt: 57.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,349,640 km

• M1: 52,210 km (0.079 R)
• M2: 183,706 km (0.088 R)
• M3: 331,060 km (0.086 R)
• M4: 1,312,422 km (0.082 R)
• M5: 1,712,297 km (0.116 R)
• M6: 2,062,207 km (0.043 R)
• M7: 2,770,702 km (0.055 R)
• M8: 3,787,220 km (0.1 R)
• M9: 4,261,744 km (0.068 R)
• M10: 4,438,270 km (0.077 R)
• M11: 4,933,289 km (0.032 R)
• M12: 5,194,038 km (0.106 R)
• M13: 5,567,734 km (0.049 R)
• M14: 5,995,434 km (0.093 R)
• M15: 6,560,465 km (0.116 R)
• M16: 7,242,931 km (0.065 R)
• M17: 7,795,844 km (0.103 R)
• M18: 9,825,289 km (0.08 R)
• M19: 9,978,776 km (0.096 R)
• M20: 11,209,368 km (0.074 R)
• M21: 12,900,572 km (0.103 R)
• M22: 13,395,592 km (0.069 R)
• M23: 17,220,061 km (0.072 R)
• M24: 19,219,736 km (0.05 R)
• M25: 23,949,422 km (0.114 R)
• M26: 27,330,933 km (0.078 R)
• M27: 28,043,467 km (0.102 R)
• M28: 29,187,891 km (0.104 R)
• M29: 36,838,476 km (0.069 R)
• M30: 45,156,416 km (0.069 R)
• M31: 48,925,385 km (0.115 R)
• M32: 51,192,242 km (0.045 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774

Radius: 6.7

Gravity: 17.24 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.98 AU - 8.53 AU

Year: 14633 Days

Day: 17.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,349,640 km

• M1: 93,499 km (0.05 R)
• M2: 356,492 km (0.029 R)
• M3: 713,133 km (0.059 R)
• M4: 1,174,194 km (0.049 R)
• M5: 1,818,512 km (0.057 R)
• M6: 2,111,275 km (0.113 R)
• M7: 2,565,005 km (0.094 R)
• M8: 3,391,683 km (0.12 R)
• M9: 4,289,569 km (0.091 R)
• M10: 7,014,495 km (0.053 R)
• M11: 7,235,151 km (0.082 R)
• M12: 10,486,661 km (0.04 R)
• M13: 11,551,948 km (0.079 R)
• M14: 14,527,599 km (0.105 R)
• M15: 16,076,535 km (0.065 R)
• M16: 16,461,002 km (0.119 R)
• M17: 18,897,652 km (0.076 R)
• M18: 25,083,973 km (0.116 R)
• M19: 25,497,311 km (0.115 R)
• M20: 29,308,916 km (0.075 R)
• M21: 29,767,284 km (0.09 R)
• M22: 30,463,811 km (0.053 R)
• M23: 40,960,346 km (0.077 R)
• M24: 43,136,696 km (0.044 R)
• M25: 47,089,819 km (0.038 R)
• M26: 48,194,001 km (0.076 R)
• M27: 53,803,323 km (0.062 R)
• M28: 58,556,197 km (0.114 R)
• M29: 59,649,159 km (0.089 R)
• M30: 61,688,028 km (0.051 R)
• M31: 62,630,046 km (0.057 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 148 - 10,196 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit